Fixed IPv4/IPv6 To Binary input transformation

We really can't just output binary value, it can not be safely used in
the result utf-8 query string.

Fixes #13552

Signed-off-by: Michal Čihař <michal@cihar.com>

ChangeLog

@@ -16,6 +16,7 @@ phpMyAdmin - ChangeLog
 - issue #13515 Fixed rendering of add index dialog
 - issue #13710 Fixed possible error in server advisor
 - issue #13477 Fixed setting input transformations
+- issue #13552 Fixed IPv4/IPv6 To Binary input transformation
 
 4.7.4 (2017-08-23)
 - issue #13415 Remove shadow from the logo

libraries/plugins/transformations/input/Text_Plain_Iptobinary.php

@@ -45,7 +45,7 @@ class Text_Plain_Iptobinary extends IOTransformationsPlugin
     {
         $val = @inet_pton($buffer);
         if ($val !== false) {
-            return $val;
+            return '0x' . bin2hex($val);
         }
 
         return $buffer;